Squashed 'custom/plugins/git-annex/' content from commit 55149ee

git-subtree-dir: custom/plugins/git-annex
git-subtree-split: 55149eef6297a455489e69f3d045e1f9fea24522
Merge commit '8a669a8015eb440ffc2ff1a4b07c7b008d15d8b3' as 'custom/plugins/git-annex'

https://github.com/Schnouki/git-annex-zsh-completion